Table 1 Specifications of the experimental soil

Sand (%)

29.7

Silt (%)

17.6

Clay (%)

52.7

pH (1: 2.5)

7.7

EC (dS m⁻¹)

1.8

Organic matter (%)

1.7

CaCO₃ (%)

2.4

Total N (%)

27.8

P (mg 100 g⁻¹ Soil)

17.3

Soluble Cations (mg 100 g⁻¹ Soil)

 K

22.2

 Fe

26.7

 Mn

11.9

 Zn

5.8

 Cu

16.3

 Ca

54.1

 Mg

9.6

 Na

44.6

Soluble Anions (mg 100 g⁻¹ Soil)

 HCO₃

68.8

 Cl

42.8

 CO₃

27.9

 SO₄

33.8

 NO3

17.9